Regulating device for warring-machines



No Model.)

' N. HICKS. REGULATING DEVICE FOR WARPING MACHINES.

No. 488,432. Patented Dec. 20, 1892.

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INVENTOR y M/M W/W 0A2? j (N0 Model.) 2 Sheets-Sheet 2.

N, HICKS. RBGULATING DEVICE FOR WARPING MAGHINES. No. 488,432. PatentedDec. 20, 1892.

WITNESSES F I I INVENTOR rrn REGULATING DEVICE FOR WARPING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 488,432, dated December20, 1892. Application filed January 9, 1892. Serial No. 330.377. (Nomodel.)

To all whom it may concern:

Be it known that I, NEHEMIAH HICKS, a citizen of the United States,residing at l/Vilkinsonville, in the county of Worcester and State ofMassachusetts, have invented certain new and useful Improvements inRegulating Devices for WVarpiug-lVlachines, of which the following is aspecification.

In warping machines as usually constructed the beam upon which the warpyarns are to be wound, is placed in contact with a revolving drum orcylinder moving at a uniform speed, whereby the beam is revolved byfriction and the yarn drawn off from the spools at a uniform rate ofspeed. Then the spools are full, at the starting of the operations, theyare turned at their minimum speed, but as the yarn is drawn from themthe speed of rotation of the spools increases wit-h a detrimentalincrease of the friction toward the end of the operation, which can onlybe prevented by running the apparatus at such a uniform slow speed as togreatly reduce its capacity. In order to overcome this defect andfurther improve the apparatus I construct the same as fully set forthhereinafter, and as illustrated in the accompanying drawings, in which:

Figure 1 is a front elevation of a warping machine embodying myimprovements. Fig. 2, is a planshowing the winding drum and connection,Fig. 1. Fig. 3 is a side elevation illustrating a modification. Fig. 4cis a front elevation of Fig.3. Fig. 5 is a side elevation showinganother modification.

The frame W, of the machine, Figs. 1 to 4 is constructed in any suitablemanner to support the parts including the spools or bobbins X, or thelatter may be supported by an independent frame W. In fixed bearingsupon the frame turns the driving cylinder K, and in a swinging frame N,pivoted to the frame W, turns the journals of the warping beam J, theheads of the latter being beyond the end of the cylinder K; and in theframe W, above the frame N, turns the shaft 0, of the measuring roll I,over which the yarns pass to the warping beam. Movement is imparted tothe warping cylinder K, from a driving pulley (I, through the medium ofa pinion e, and gear wheel f, the latter secured to the shaft of thewarping cylinder, the pulley d,

being driven by a belt y, which may be shifted on to the idler pulley d,when it is desired to arrest the rotation of the cylinder and beam.

The parts above described are of any ordinary or suitable constructioncombined with anyof the usual auxiliary appliances for driving the yarn,measuring the quantity beamed, stopping the machine in case of breakingof the yarns, the, and which need not be illustrated as they constituteno part of my invention.

Assuming that the cylinder K, isdriven at a uniform rate of speed theyarn will be drawn at a uniform rate from the spools,but the lattertravels at a low speed at the beginning of operations when they are fullandy'ill revolve with increased rapidity as the diameter of the body ofyarn upon each is reduced, and I therefore combine with the featuresalready described, means whereby the speed at which the yarns arecarried forward and beamed is varied so as to run the spools at asubstantially uniform speed which is such as to secure the highestefficiency of the machine.

Different means may be employed for varying the speed at which the yarnsare drawn or fed from the spools to the warping beam. Thus I may makeuse of reverse cone pulleys and a driving strap shifted upon the sameand interposed between the main driving belt pulley g, and the pulley d,in such manner as to vary the speed at which the pulley cl, is driven asthe belt is shifted, which shifting may be effected automatically or byhand.

In the construction shown in Figs. 1 to 4, the shafts t', j, of two conepulleys a, a, arranged reversely are supported by hangers h, h, the maindriving pulley g, being upon the shaft j, of the upper pulley a, andround both pulleys passes the driving belt 7t, which when at one end ofthe pulleys drives the pulley a, at its maximum speed, the shifting ofthe belts to the other end gradually reducingthe speed of rotation.

In the construction shown in Figs. 1 and 2, the belt shifter E, iscarried upon guides m, m, and is moved in one direction by a cord orchain 7, wound upon a hollow drum 8, supported by one of the hangers andcontaining a spring 9, which tends to wind the cord upon the drum, so asto carry the shifter E, to the left, and another cord 10, passes overaguide pulley 12, to a drum 13, driven from a moving portion of theworking machine, so as to wind up the drum, and carry the belt-shifterin the opposite direction.

In the construction shown, the drum 13, turns with a shaft which ismovable longitudinally in bearings 14, by means of a lever 16, andcarries one section of a clutch 15, the other section 17, being upon ashaft 18, turning in bearings 19, which shaft 18, carries a worm-wheel20, that gears with a wormv upon the shaft 0, of the measuring roll. Bymoving the lever 16, the drum 13, may be connected so as to be turned bythe rotation of the shaft 0, to move the shifter E, to the right, and byreversing the position of the lever 16, the clutch may be uncoupled whenthe spring 9, will turn the drum 8, and carry the shifter E, to theleft, unwinding the cord from the drum 13.

i In the construction shown in Figs. 3 and 4, the belt is shiftedautomatically by means of a belt shifter E, carried by a revolving screw0, and guide rod m, said screw being driven from the measuring roll I,through the medium of a shaft n, beveled gears z, and worm gears q. Atthe beginning of operations the belt 7c, is at one 'end of the coneswhereby when the spools X, are full the yarns will be drawn off at theirmaximum speed but as the operations continue the belt shifter E, travelstoward the other end of the cones whereby the speed of rotation of thecylinder K, and beam J, are reduced, and the feed of the yarns graduallylowers in speed thereby maintaining a practically uniform speed ofrevolution of the spools. I am thus able to start the machine at a speedwhich will permit the maximum speed of revolution of the spools and tomaintain the latter throughout the entire operation so as to secure thehighest general efficiency of the apparatus, without at any time drivingany of the parts so as to result in undue friction or other detrimentalaction.

While I have described certain means for securing the above set forthresults it will be evident to those skilled in the art that these meansmay be changed without departing from the main features of myinvention.Thus, instead of the reverse cones any other suitable speed reducingappliances may be used, as for instance a frictional driving pulley r,Fig. 5 rotating with and sliding on a shaft 8, so as to set to differentpositions upon the face of a driving disk 10, secured to the pinion e.In this case the pulley 7", may be shifted by hand or by means of arevolving screw shaft E, to which movement is imparted from any suitablemoving part of the machines, as for instance through the medium of wormgears q, and bevel gears 19.

It will of course be understood that while the spools are run at auniform speed in-filling any one beam, the speed at which they may berun in filling another beam, will if necessary be varied according tothe quality of the yarn.

Without limiting myself to the precise construction and arrangement ofparts shown I claim:

1. The combination of a warping machine, a driving shaft, and variablegearing and means substantially as described to shift said gearing togradually reduce the speed of travel of the thread as it is drawn fromthe spools, substantially as set forth.

2. The combination with the warping machine and the spools and a drivingshaft, of the reverse cones, the belt connecting the cones, the beltshifting device, and means including a spring for moving the beltshifter with a gradual movement as the beam is be ing filled,substantially as described.

3. The combination in a warping machine and with the beam thereof, ofsupports for the spools, mechanism for turning the beam, and automaticvariable driving devices and means for shifting the latter to graduallyreduce the speed of travel of the thread as the diameter of the load onthe spools decreases, substantially as set forth.

4. The combination with the Warpin g beam, of a driving cylinder,infrictional contact with and driving the beam, a driving shaft, andvariable gearing disposed between the driving shaft and the cylinder andarranged substantially as described to gradually reduce the speed of theyarn from the spools to the beam as the yarn load on the spoolsdecreases by winding off the yarn.

5. The combination with the warping beam, of a driving cylinder havingfrictional contact with and driving the warping beam, a driving shaft,and variable gearing disposed between the driving shaft and cylinderarranged substantially as described to gradually reduce the speed of thecylinder as the yarn load on the spools decreases by winding off theyarn.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

NEHEMIAH HICKS.

Witnesses:

B. W. RUsHwoRTH, AMOS HOLT.

